Subduction Zones Plate Tectonics Plate Boundaries Mid-Atlantic Ridge Subduction Tectonic Plates Continental Break-up Seismic Activity Continental Drift Mantle Dynamics Mountains Isostatic Rebound Land Formation Isostasy Fault Lines Volcanic Activity Ninetyeast Ridge Tsunamis Mantle Anomalies Plate Subduction Juan de Fuca Plate Core-Mantle Interaction Mountain Uplift Mountain Formation Supercontinent Cycles Subduction Processes Implications for Life Continental Uplift